Amyotrophic lateral sclerosis studies using neutron activation analysis.
D000201:Activation Analysis; D000388:Air / Q000032:analysis; D000690:Amyotrophic Lateral Sclerosis / Q000209:etiology*; D007564:Japan; D008345:Manganese / Q000032:analysis*; D008542:Melanesia; D012987:Soil / Q000032:analysis; D014867:Water / Q000032:analysis
D012987:Soil; D014867:Water; D008345:Manganese